Patent FR-1911-425978.14531
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Replacement of metal compass by liquid compass, and adjustment of metallic cone, described in original Patent FR-1911-425978.
Source
- Original patent document and bibliography entry on espacenet
- ONPI catalog ("Brevet d'invention: Addition 1911, 14401 - 14600") hosted on Google Books
| Year filed | 1911 |
|---|---|
| Year granted | 1911 |
| Office | FR |
| Patent number | 425978.14531 |
| Inventors | Joseph Lamant |
| Inventor country | FR |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Porte-boussole indicateur de la route aérienne pour aéroplanes, ballons, etc. |
| English title | Compass indicating aerial route for airplanes, balloons, etc. |
| Tech fields | compass, navigation, piloting, subsystem |
| Filing date | 1911-07-11 |
| Full specification filed date | |
| Application number | |
| Grant date | 1911-10-19 |
| Granted? | 1 |
| Publication date | 1911-12-30 |
| Supplementary to patent | Patent FR-1911-425978 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Georges Faugé |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC G01C17/00 |
| CPCs | CPC G01C17/00 |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims |
